func timeAgoDisplay(previousTime : Int) -> String {
let cTime = Int(NSDate().timeIntervalSince1970)
let pTime = previousTime/1000
let secondsAgo = cTime - pTime
let minute = 60
let hour = 60 * minute
let day = 24 * hour
let week = 7 * day
let month = day * 30
let year = month * 12
if secondsAgo < minute {
var txt = ""
if secondsAgo == 1 {
txt = "second ago"
} else {
txt = "seconds ago"
}
return "\(secondsAgo) \(txt)"
} else if secondsAgo < hour {
var txt = ""
let minutes = secondsAgo / minute
if minutes == 1 {
txt = "minute ago"
} else {
txt = "minutes ago"
}
return "\(minutes) \(txt)"
} else if secondsAgo < day {
var txt = ""
let hours = secondsAgo / hour
if hours == 1 {
txt = "hour ago"
} else {
txt = "hours ago"
}
return "\(hours) \(txt)"
} else if secondsAgo < week {
var txt = ""
let days = secondsAgo / day
if days == 1 {
txt = "day ago"
} else {
txt = "days ago"
}
return "\(days) \(txt)"
} else if secondsAgo < month {
var txt = ""
let weeks = secondsAgo / week
if weeks == 1 {
txt = "week ago"
} else {
txt = "weeks ago"
}
return "\(weeks) \(txt)"
} else if secondsAgo < year {
var txt = ""
let months = secondsAgo / month
if months == 1 {
txt = "month ago"
} else {
txt = "months ago"
}
return "\(months) \(txt)"
} else {
var txt = ""
let years = secondsAgo / year
if years == 1 {
txt = "year ago"
} else {
txt = "years ago"
}
return "\(years) \(txt)"
}
}
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